gcc/ChangeLog

   1 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
   2
   3         PR target/38991
   4         * config/sh/predicates.md (general_movsrc_operand): Don't check
   5         the subreg of system registers here.
   6
   7 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR c++/39106
  10         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
  11         on the copied decl.
  12
  13 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
  14
  15         PR rtl-optimization/39110
  16         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
  17         addresses, not aligned ones.
  18
  19 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
  20             Richard Guenther  <rguenther@suse.de>
  21
  22         PR tree-optimization/39100
  23         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
  24         comment says and add edges.
  25
  26 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
  27
  28         PR c/35435
  29         * c-common.c (handle_tls_model_attribute): Ignore attribute for
  30         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
  31
  32 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
  33
  34         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
  35         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
  36         register_bb_in_sese, new_sese, free_sese): Moved.
  37         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
  38         outermost_loop_in_scop, build_scop_iteration_domain,
  39         expand_scalar_variables_ssa_name, get_vdef_before_scop,
  40         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
  41         Use loop_in_sese_p instead of loop_in_scop_p.
  42         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
  43         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
  44         (scopdet_basic_block_info): Fix bug in scop detection.
  45         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
  46         eq_loop_to_cloog_loop): Remove.
  47         (nb_loops_around_loop_in_scop, nb_loop
  48         ref_nb_loops): Moved here...
  49         * graphite.h (ref_nb_loops): ... from here.
  50         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
  51         (loop_domain_dim, loop_iteration_vector_dim): Remove.
  52         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
  53         * testsuite/gcc.dg/graphite/scop-19.c: New
  54
  55 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
  56             Hans-Peter Nilsson  <hp@axis.com>
  57
  58         PR rtl-optimization/37889
  59         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
  60         Move offset handling from PLUS to before the switch.  Use new
  61         arguments when considering SYMBOL_REFs too.
  62         (rtx_addr_can_trap_p): Pass dummy offset and size.
  63         (enum may_trap_p_flags): Remove.
  64         (may_trap_p_1): Pass size from MEM_SIZE.
  65
  66         PR rtl-optimization/38921
  67         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
  68         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
  69         * rtlanal.c (may_trap_after_code_motion_p): Delete.
  70         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
  71
  72 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         AVX Programming Reference (January, 2009)
  75         * config/i386/sse.md (*vpclmulqdq): New.
  76
  77 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
  78
  79         PR tree-optimization/38977
  80         PR gcov-profile/38292
  81         * calls.c (special_function_p): Disregard __builtin_ prefix.
  82
  83 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
  84
  85         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
  86         non-indexable addresses even before reload.
  87
  88 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
  89
  90         PR c/29129
  91         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
  92         as having variable size.  Do not give an error for unnamed
  93         parameters with [*] declarators.  Give a warning for type names
  94         with [*] declarators and mark them as variable size.
  95         * c-parser.c (c_parser_sizeof_expression): Do not give an error
  96         for sizeof applied to [*] type names.
  97
  98 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  99
 100         PR C++/36607
 101         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
 102
 103 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
 104
 105         * gcc.c (process_command): Update copyright notice dates.
 106         * gcov.c (print_version): Likewise.
 107         * gcov-dump.c (print_version): Likewise.
 108         * mips-tfile.c (main): Likewise.
 109         * mips-tdump.c (main): Likewise.
 110
 111 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
 112
 113         PR c/35433
 114         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
 115         for composite type involving a zero-length array type.
 116
 117 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
 118
 119         PR target/35318
 120         * function.c (match_asm_constraints_1): Skip over
 121         initial optional % in the constraint.
 122
 123         PR inline-asm/39059
 124         * c-parser.c (c_parser_postfix_expression): If fixed point is not
 125         supported, don't accept FIXED_CSTs.
 126         * c-decl.c (finish_declspecs): Error if fixed point is not supported
 127         and _Sat is used without _Fract/_Accum.  Set specs->type to
 128         integer_type_node for cts_fract/cts_accum if fixed point is not
 129         supported.
 130
 131 2009-02-02  Catherine Moore  <clm@codesourcery.com>
 132
 133         * sde.h (SUBTARGET_ARM_SPEC): Don;t assemble -fpic code as -mabicalls.
 134
 135 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
 136
 137         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
 138         (ABI_HAS_64BIT_SYMBOLS): Use it.
 139         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
 140
 141 2009-02-02  Paul Brook  <paul@codesourcery.com>
 142
 143         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
 144
 145 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
 146
 147         PR inline-asm/39058
 148         * recog.h (asm_operand_ok): Add constraints argument.
 149         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
 150         recurse on matching constraint.
 151         (check_asm_operands): Pass constraints as 3rd argument to
 152         asm_operand_ok.  Don't look up matching constraint here.
 153         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
 154         to asm_operand_ok.
 155
 156 2009-02-02  Ben Elliston  <bje@au.ibm.com>
 157
 158         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
 159         TARGET_NARROW_VOLATILE_BITFIELD macro names.
 160
 161 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 162
 163         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
 164         information.  Remove some obsolete information.  Reorganize.
 165
 166         * config/pa/fptr.c: Revert license to GPL 2.
 167         * config/pa/milli64.S: Likewise.
 168
 169 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
 170
 171         PR target/38904
 172         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
 173         LIBRARY name in, instead of hard-coding it.
 174         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
 175         extra target make frag to tmake_files according to EH model.
 176         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
 177         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
 178         frags that define makefile variable EH_MODEL appropriately.
 179         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
 180         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
 181         to "-sjlj" according to type of EH configured.
 182         (LIBGCC_SONAME):  Concatenate it to shared library base name.
 183         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
 184         to "_sjlj" according to type of EH configured.
 185         (LIBGCC_SONAME):  Concatenate it to shared library base name.
 186         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
 187         (SHLIB_LINK):  Add missing semicolon to if-else construct.
 188         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
 189         string value of "pe_dll" command-line option.
 190         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
 191         (SHLIB_SONAME):  Use it when overriding t-cygming default.
 192         (SHLIB_IMPLIB):  Override t-cygming default.
 193         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
 194         string value of "pe_dll" command-line option.
 195
 196 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
 197
 198         PR target/38952
 199         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
 200         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
 201
 202 2009-01-31  Richard Guenther  <rguenther@suse.de>
 203
 204         PR tree-optimization/38937
 205         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
 206         computing the transitive closure.
 207
 208 2009-01-30  Richard Guenther  <rguenther@suse.de>
 209
 210         PR tree-optimization/39041
 211         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
 212         Propagate variable indices only if the types match for this stmt.
 213
 214 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
 215
 216         PR target/39013
 217         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
 218         inline but never defined.
 219
 220 2009-01-30  Wolfgang Gellerich  <gellerich@de,ibm.com>
 221
 222         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
 223         (*insv_h_di_reg_extimm): New insn.
 224         (*insv_l<mode>_reg_extimm): New insn.
 225
 226 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
 227
 228         * config/picochip/picochip.c (flag_conserve_stack): set
 229         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
 230         fconserve-stack. Reduce call-overhead used by inliner.
 231
 232 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
 233
 234         PR/38157
 235         * common.opt (flag_conserve_stack): Initialised to zero.
 236
 237 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
 238
 239         PR/39002
 240         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
 241         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
 242         method.
 243
 244 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
 245
 246         * ira-color.c (allocno_reload_assign): Update comments.
 247         * regmove.c (regmove_optimize): Likewise.
 248
 249         * ra.h: Removed.
 250
 251 2009-01-29  Robert Millan  <rmh@aybabtu.com>
 252
 253         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
 254         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
 255         `MD_UNWIND_SUPPORT'.
 256         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
 257
 258 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
 259
 260         PR tree-optimization/39007
 261         * tree-loop-distribution.c (generate_builtin): Use
 262         recompute_dominator to compute the immediate dominator of the
 263         basic block just after the loop.
 264
 265 2008-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 266
 267         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
 268         (ASM_OUTPUT_DWARF_PCREL): Define.
 269
 270 2008-01-29  Vladimir Makarov  <vmakarov@redhat.com>
 271
 272         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
 273         * doc/passes.texi: Remove entries about regclass, local-alloc, and
 274         global.  Modify entries about regmove and IRA.
 275
 276         * ra-conflict.c: Remove the file.
 277
 278         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
 279
 280         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
 281         (pass_regclass_init): Rename to pass_reginfo_init.
 282
 283         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
 284
 285         * toplev.h (flag_ira): Remove.
 286
 287         * caller-save.c (setup_save_areas): Remove flag_ira.
 288
 289         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
 290
 291         * global.c: Remove the file.
 292
 293         * opts.c: (decode_options): Remove flag_ira.
 294
 295         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
 296
 297         * regmove.c: Modify file description.
 298         (find_use_as_address, try_auto_increment): Define them only if
 299         AUTO_INC_DEC is defined.
 300         (replacement_quality, replace_in_call_usage, fixup_match_1,
 301         stable_and_no_regs_but_for_p): Remove.
 302         (reg_set_in_bb): Make it static.
 303         (regmove_optimize): Remove flag_ira and code which worked for
 304         !flag_ira.
 305
 306         * local-alloc.c: Remove the file.
 307
 308         * common.opt (fira): Remove.
 309
 310         * ira.c: Include except.h.
 311         (eliminable_regset): Move from global.c.
 312         (mark_elimination): Ditto.  Remove flag_ira.
 313         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
 314         equiv_mem_modified, validate_equiv_mem_from_store,
 315         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
 316         contains_replace_regs, memref_referenced_p, memref_used_between_p,
 317         no_equiv, recorded_label_ref): Move from local-alloc.c.
 318         (update_equiv_regs): Ditto.  Make it static.
 319         (print_insn_chain, print_insn_chains): Move it from global.c.
 320         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
 321         (build_insn_chain): Ditto.  Make it static.
 322         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
 323         Rename to init_live_subregs.
 324         (gate_ira): Remove flag_ira.
 325
 326         * regclass.c: Rename reginfo.c.  Change file description.
 327         (FORBIDDEN_INC_DEC_CLASSES): Remove.
 328         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
 329         Remove.
 330         (init_reg_sets_1): Remove code for evaluation of
 331         reg_class_superclasses and losing_caller_save_reg_set.
 332         (init_regs): Remove init_reg_autoinc.
 333         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
 334         ok_for_base_p_nonstrict): Remove.
 335         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
 336         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
 337         corresponding entries.
 338         (dump_regclass, record_operand_costs, scan_one_insn,
 339         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
 340         record_address_regs, auto_inc_dec_reg_p): Remove.
 341         (gt-regclass.h): Rename to gt-reginfo.h.
 342
 343         * rtl.h (dump_global_regs, retry_global_alloc,
 344         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
 345
 346         * Makefile.in (RA_H): Remove.
 347         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
 348         Rename regclass.o to reginfo.o.
 349         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
 350         gt-reginfo.h.
 351         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
 352         (GTFILES): Rename regclass.c to reginfo.c.
 353
 354         * passes.c (init_optimization_passes): Remove pass_local_alloc and
 355         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
 356
 357         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
 358         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
 359         Remove flag_ira.
 360         (finish_spills): Ditto.  Remove code for !flga_ira.
 361
 362 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
 363
 364         PR middle-end/35854
 365         * doc/invoke.texi (rtl debug options): Complete rewrite.
 366         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
 367         to auto_inc_dec".
 368         * mode-switching.c (pass_mode_switching): Rename pass from
 369         "mode-sw" to "mode_sw".
 370         * except.c (pass_convert_to_eh_ranges): Rename pass from
 371         "eh-ranges" to "eh_ranges".
 372         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
 373         to "subreg1".
 374
 375
 376 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
 377             Alexander Monakov  <amonakov@ispras.ru>
 378
 379         PR middle-end/38857
 380         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
 381         register.
 382         (move_exprs_to_boundary): Change return type and pass through
 383         should_move from move_op.  Relax assert.  Update usage ...
 384         (schedule_expr_on_boundary): ... here.  Use should_move instead of
 385         cant_move.
 386         (move_op_orig_expr_found): Indicate that insn was disconnected from
 387         stream.
 388         (code_motion_process_successors): Do not call after_merge_succs
 389         callback if original expression was not found when traversing any of
 390         the branches.
 391         (code_motion_path_driver): Change return type.  Update prototype.
 392         (move_op): Update comment.  Add a new parameter (should_move).  Update
 393         prototype.  Set *should_move based on indication provided by
 394         move_op_orig_expr_found.
 395
 396 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
 397
 398         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
 399         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
 400         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
 401         * config/rs6000/rs6000.c (rs6000_override_options): Default
 402         avoid-indexed-addresses on for Power6, off for everything else.
 403         (avoiding_indexed_address_p): New function.
 404         (rs6000_legitimize_address): Use it.
 405         (rs6000_legitimate_address): Likewise.
 406         * config/rs6000/rs6000.md (movXX_updateX): Likewise
 407
 408 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
 409
 410         PR tree-optimization/38997
 411         * tree-loop-distribution.c (generate_memset_zero): Use
 412         POINTER_PLUS_EXPR for a pointer addition.
 413
 414 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
 415
 416         * config/s390/s390.md (bswap<mode>2): New pattern added.
 417
 418 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 419
 420         * config/s390/s390.md (*tls_load_31): Added type attribute.
 421
 422 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 423
 424         * config/s390/s390.md: Fix a few comments.
 425
 426 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
 427
 428         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
 429         (*tm<mode>_full): Fixed z10prop attribute.
 430         (*tst<mode>_extimm): Fixed z10prop attribute.
 431         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
 432         (*tstqiCCT_cconly): Fixed z10prop attribute.
 433         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
 434         (*movsi_larl): Fixed z10prop attribute.
 435         (*movsi_zarch): Fixed z10prop attribute.
 436         (*movsi_eas): Fixed z10prop attribute.
 437         (*movhi): Fixed z10prop attribute.
 438         (*movqi): Fixed z10prop attribute.
 439         (*movstrictqi): Fixed z10prop attribute.
 440         (*mov<mode>): Fixed z10prop attribute.
 441         (*movcc): Fixed z10prop attribute.
 442         (*sethighpartdi_64): Fixed z10prop attribute.
 443         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
 444         (*negdi2_sign_cc): Fixed z10prop attribute.
 445         (*negdi2_sign): Fixed z10prop attribute.
 446         (*absdi2_sign_cc): Fixed z10prop attribute.
 447         (*absdi2_sign): Fixed z10prop attribute.
 448         (*negabsdi2_sign_cc): Fixed z10prop attribute.
 449         (*negabsdi2_sign): Fixed z10prop attribute.
 450         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
 451         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
 452         (doloop_si64): Fixed z10prop attribute.
 453         (doloop_si31): Fixed z10prop attribute.
 454         (doloop_long): Fixed z10prop attribute.
 455         (indirect_jump): Fixed z10prop attribute.
 456         (nop): Fixed z10prop attribute.
 457         (main_base_64): Fixed z10prop attribute.
 458         (reload_base_64): Fixed z10prop attribute.
 459
 460 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
 461
 462         PR rtl-optimization/38740
 463         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
 464         if !optimize.
 465         * config/mips/mips.c (mips_reorg): Likewise.
 466
 467 2009-01-28  Richard Guenther  <rguenther@suse.de>
 468
 469         PR tree-optimization/38926
 470         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
 471         with the correct value id to a value.
 472         (do_regular_insertion): Use the value number of edoubleprime
 473         for the value number of the expr.
 474
 475         Revert
 476         2008-08-21  Richard Guenther  <rguenther@suse.de>
 477
 478         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
 479         a PHI ask VN if it is already available.
 480         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
 481         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
 482
 483 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
 484
 485         PR middle-end/38934
 486         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
 487         set to varying whenever max has TREE_OVERFLOW set, similarly
 488         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
 489
 490 2009-01-28  Richard Guenther  <rguenther@suse.de>
 491
 492         PR middle-end/38908
 493         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
 494         uninitialized aggregate uses in call arguments.
 495
 496 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
 497
 498         PR tree-optimization/38984
 499         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
 500         the nothing_id variable if -fno-delete-null-pointer-checks.
 501
 502 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
 503
 504         PR target/38988
 505         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
 506         (set_got_offset_rex64): Ditto.
 507
 508 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 509
 510         PR target/38941
 511         * doc/extend.texi: Improve local variable with asm reg.
 512
 513 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
 514
 515         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
 516         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
 517         was not supplied then set warn_packed_bitfield_compat to the
 518         default value of 1.
 519         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
 520         against 1.
 521
 522 2009-01-27  Richard Guenther  <rguenther@suse.de>
 523
 524         PR tree-optimization/38503
 525         * cfgexpand.c (expand_gimple_basic_block): Ignore
 526         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
 527         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
 528         variables that cannot have TBAA applied.
 529         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
 530         statements.
 531
 532 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
 533
 534         PR middle-end/38969
 535         * calls.c (initialize_argument_information): Do not wrap complex
 536         arguments in SAVE_EXPR.
 537
 538 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
 539
 540         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
 541         (INSTALL_LIBGCC): Revert typo commit.
 542
 543 2009-01-26  Richard Guenther  <rguenther@suse.de>
 544
 545         PR tree-optimization/38745
 546         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
 547         from special handling.
 548
 549 2009-01-26  Richard Guenther  <rguenther@suse.de>
 550
 551         PR tree-optimization/38745
 552         * tree-ssa.c (execute_update_addresses_taken): Do not include
 553         variables that cannot possibly be a register in not_reg_needs.
 554         Do not clear TREE_ADDRESSABLE on vars that may not become
 555         registers.
 556         * tree-ssa.c (update_alias_info_1): Include those in the set
 557         of addressable vars.
 558
 559 2009-01-26  Richard Guenther  <rguenther@suse.de>
 560
 561         PR middle-end/38851
 562         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
 563         * tree-ssa-dse.c: Include langhooks.h
 564         (execute_simple_dse): Remove stores with zero size.
 565
 566 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
 567
 568         PR c/38957
 569         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
 570         as PLUS_EXPR.
 571
 572 2009-01-24  Julian Brown  <julian@codesourcery.com>
 573
 574         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
 575         config/arm/linux-atomic.c.
 576         * config/arm/linux-atomic.c: New.
 577
 578 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
 579
 580         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
 581         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
 582         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
 583
 584 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 585
 586         PR c/38938
 587         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
 588         properly.
 589
 590 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         PR tree-optimization/38953
 593         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
 594         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
 595         (gloog): Split the exit of the scop when the scop exit is a loop exit.
 596         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
 597         changed the CFG.
 598
 599 2009-01-24  Paul Brook  <paul@codesourcery.com>
 600
 601         * config/arm/neon.md (neon_type): Move to arm.md.
 602         (neon_mov<VSTRUCT>): Add neon_type attribute.
 603         * config/arm/arm.md (neon_type): Move to here.
 604         (conds): Add "unconditioal" and use as default for NEON insns.
 605
 606 2009-01-24  Ben Elliston  <bje@au.ibm.com>
 607
 608         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
 609         void *' warning from -Wc++-compat.
 610         * Makefile.in (dominance.o-warn): Remove.
 611
 612 2008-01-23  Paolo Bonzini  <bonzini@gnu.org>
 613
 614         PR tree-optimization/38932
 615         * fold-const.c (fold_unary_ignore_overflow): New.
 616         * tree.h (fold_unary_ignore_overflow): Declare.
 617         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
 618         * tree-ssa-sccvn.c (visit_reference_op_load,
 619         simplify_unary_expression): Likewise.
 620
 621 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
 622
 623         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
 624         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
 625         regardless of their type.
 626         * c-common.c (handle_packed_attribute): Don't ignore packed on
 627         bitfields.
 628         * c.opt (Wpacked-bitfield-compat): New warning option.
 629         * stor-layout.c (place_field): Warn if offset of a field changed.
 630         * doc/extend.texi (packed): Mention the ABI change.
 631         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
 632         (Warning Options): Add it to the list.
 633
 634 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 635
 636         * c-opts.c (c_common_post_options): Fix a typo in comments.
 637
 638 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
 639
 640         PR middle-end/38615
 641         * gimplify.c (gimplify_init_constructor): Fix promotion of const
 642         variables to static.
 643         * doc/invoke.texi (-fmerge-all-constants): Update description.
 644
 645 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
 646
 647         PR target/38931
 648         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
 649         (*movdi_1_rex64): Use type "mmx" for alternative 5.
 650
 651 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
 652
 653         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
 654         a word boundary.
 655         (LOCAL_ALIGNMENT): Similarly.
 656
 657 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
 658             Joseph Myers  <joseph@codesourcery.com>
 659
 660         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
 661         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
 662         * config/arm/arm-tune.md: Regenerate.
 663         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
 664         -march=iwmmxt2.
 665
 666 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
 667
 668         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
 669         version number to five.
 670
 671 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
 672
 673         PR c++/38930
 674         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
 675         * c-common.c (set_underlying_type): Likewise.
 676         (is_typedef_decl ): Likewise
 677         * tree.h: Likewise
 678         (set_underlying_type): Likewise.
 679         (is_typedef_type): Likewise.
 680
 681 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
 682
 683         PR middle-end/38587
 684         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
 685         crossing setjmps.
 686
 687 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
 688
 689         PR bootstrap/37660
 690         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
 691         (LIBGCC_SPEC):  Don't define.
 692         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
 693
 694 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
 695
 696         PR rtl-optimization/38879
 697         * alias.c (base_alias_check): Unaligned access via AND address can
 698         alias all surrounding object types except those with sizes equal
 699         or wider than the size of unaligned access.
 700
 701 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
 702
 703         PR c++/26693
 704         * c-decl.c: (clone_underlying_type): Move this ...
 705         * c-common.c (set_underlying_type): ... here.
 706         Also, make sure the function properly sets TYPE_STUB_DECL() on
 707         the newly created typedef variant type.
 708         (is_typedef_decl ): New entry point.
 709         * tree.h: Added a new member member_types_needing_access_check to
 710         struct tree_decl_non_common.
 711         (set_underlying_type): New entry point.
 712         (is_typedef_type): Likewise.
 713
 714 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
 715
 716         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
 717         Check whether two instructions have memory references that
 718         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
 719         are helper functions for traversing.
 720         * alias.h (insn_alias_sets_confilict_p): New prototypes.
 721         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
 722         not to draw dependency edge for instructions with non-conflicting
 723         alias sets.
 724
 725 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
 726
 727         PR other/38758
 728         * longlong.h: Update copyright years.  Use soft-fp license
 729         notice.  Sync __clz_tab declaration with glibc.
 730
 731 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
 732
 733         PR target/30687
 734         * doc/extend.texi (syscall_linkage): New.
 735         (version_id): Modify.
 736
 737 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 738             Richard Guenther  <rguenther@suse.de>
 739
 740         PR tree-optimization/38747
 741         PR tree-optimization/38748
 742         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
 743         conversion if the base address is an indirect reference and the
 744         aliasing sets could cause issues.
 745
 746 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * common.opt (fgraphite, fgraphite-identity): Add comment for
 749         explaining why these options are not documented.
 750
 751 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
 754         gimple_call_lhs is NULL.
 755
 756 2008-01-20  Paolo Bonzini  <bonzini@gnu.org>
 757
 758         PR target/38868
 759         * emit-rtl.c (adjust_address_1): Make sure memref is never
 760         overwritten.
 761
 762 2009-01-20  Ben Elliston  <bje@au.ibm.com>
 763
 764         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
 765         const qualifier from arg parameter. Remove unnecessary cast to char *.
 766         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
 767         const qualifier from arg 2.
 768
 769 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
 770
 771         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
 772
 773 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 774
 775         PR c/38869
 776         * rtl.h (reinit_regs): New prototype.
 777         * regclass.c: Include ira.h.
 778         (reinit_regs): New.
 779         * Makefile.in (regclass.o): Add ira.h.
 780         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
 781
 782 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
 783
 784         PR target/38736
 785         * c-common.c (handle_aligned_attribute): Use
 786         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
 787         default alignment value.
 788
 789         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
 790
 791         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
 792         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
 793
 794         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
 795         __BIGGEST_ALIGNMENT__.
 796
 797         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
 798
 799 2009-01-18  Richard Guenther  <rguenther@suse.de>
 800
 801         PR tree-optimization/38819
 802         * tree-flow.h (operation_could_trap_helper_p): Declare.
 803         * tree-eh.c (operation_could_trap_helper_p): Export.
 804         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
 805         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
 806         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
 807         are about to insert a possibly trapping instruction and fail
 808         in this case.
 809
 810 2009-01-18  Andreas Schwab  <schwab@suse.de>
 811
 812         * doc/install.texi (Configuration): Remove obsolete paragraph
 813         about use of --with-gnu-ld with --with-gnu-as.
 814
 815 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
 816
 817         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
 818         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
 819         Follow spelling conventions.
 820
 821 2009-01-18  Ben Elliston  <bje@au.ibm.com>
 822
 823         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
 824         C++ warning about implicit conversion from void * to struct
 825         bitmap_head_def *.
 826         (bitmap_obstack_free): Likewise for bitmap_element *.
 827         * Makefile.in (bitmap.o-warn): Remove.
 828
 829 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
 830
 831         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
 832
 833 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 834             Tobias Grosser  <tobi.grosser@amd.com>
 835
 836         * graphite.c (graphite_trans_scop_block): Do not block single
 837         nested loops.
 838
 839 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
 840
 841         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
 842         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
 843         test with assertion.
 844
 845 2009-01-16  Richard Guenther  <rguenther@suse.de>
 846
 847         PR tree-optimization/38835
 848         PR middle-end/36227
 849         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
 850         and INT + PTR -> (INT)(PTR p+ INT) folding.
 851         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
 852
 853 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
 854
 855         PR target/38554
 856         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
 857         the subreg from a lowpart subreg if it is also casting the value.
 858
 859 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 860             Tobias Grosser  <tobi.grosser@amd.com>
 861
 862         * graphite.c (compare_prefix_loops): New.
 863         (build_scop_canonical_schedules): Rewritten.
 864         (graphite_transform_loops): Move build_scop_canonical_schedules
 865         after build_scop_iteration_domain.
 866
 867 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 868             Tobias Grosser  <tobi.grosser@amd.com>
 869
 870         * graphite.c (add_conditions_to_domain): Add the loops to
 871         the dimension of the iteration domain.  Do copy the domain
 872         only when it exists.
 873         (build_scop_conditions_1): Do not call add_conditions_to_domain.
 874         (add_conditions_to_constraints): New.
 875         (can_generate_code_stmt, can_generate_code): Removed.
 876         (gloog): Do not call can_generate_code.
 877         (graphite_transform_loops): Call add_conditions_to_constraints
 878         after building the iteration domain.
 879
 880 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
 881
 882         PR tree-optimization/38789
 883         * tree-ssa-threadedge.c
 884         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
 885         __builtin_constant_p.
 886
 887 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
 888
 889         * dce.c (delete_unmarked_insns): Reversed the order that insns are
 890         examined before deleting them.
 891
 892 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
 893
 894         * function.c (aggregate_value_p): Correctly extract the function
 895         type from CALL_EXPR_FN lookup.
 896
 897 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
 898
 899         * config/picochip/picochip.c (picochip_override_options): Revert
 900         CFI asm flag disable commited previously.
 901
 902 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 903             Tobias Grosser  <tobi.grosser@amd.com>
 904             Jan Sjodin  <jan.sjodin@amd.com>
 905
 906         * graphite.c (scan_tree_for_params): On substractions negate
 907         all the coefficients of the term.
 908         (clast_to_gcc_expression_red): New.  Handle reduction expressions
 909         of more than two operands.
 910         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
 911         (get_vdef_before_scop): Handle also the case of default definitions.
 912
 913 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 914
 915         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
 916         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
 917         Also use them when walking CALL_INSN_FUNCTION_USAGE.
 918
 919 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 920             Joey Ye  <joey.ye@intel.com>
 921
 922         PR middle-end/37843
 923         * cfgexpand.c (expand_stack_alignment): Don't update stack
 924         boundary nor check incoming stack boundary here.
 925         (gimple_expand_cfg): Update stack boundary and check incoming
 926         stack boundary here.
 927
 928 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
 929
 930         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
 931
 932 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
 933
 934         PR rtl-optimization/38245
 935         * calls.c (expand_call): Add stack arguments to
 936         CALL_INSN_FUNCTION_USAGE even for pure calls (when
 937         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
 938         in regs and partially in memory or BLKmode arguments.
 939         (emit_library_call_value_1): Add stack arguments to
 940         CALL_INSN_FUNCTION_USAGE even for pure calls (when
 941         ACCUMULATE_OUTGOING_ARGS).
 942         * dce.c: Include tm_p.h.
 943         (find_call_stack_args): New function.
 944         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
 945         argument.
 946         (mark_insn): Call find_call_stack_args for CALL_Ps.
 947         (prescan_insns_for_dce): Walk insns backwards in bb rather than
 948         forwards.  Allocate and free arg_stores bitmap if needed, pass it
 949         down to deletable_insn_p, don't mark stores set in arg_stores
 950         bitmap, clear the bitmap at the beginning of each bb.
 951         * Makefile.in (dce.o): Depend on $(TM_P_H).
 952
 953 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
 954
 955         PR target/22599
 956         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
 957         to make sure the insn is a conditional test (bug 22599).  Reformat a
 958         few long lines.
 959
 960 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         PR middle-end/38431
 963         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
 964         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
 965         (gloog): Do not call cleanup_tree_cfg.
 966         (graphite_transform_loops): Call cleanup_tree_cfg after all
 967         scops have been code generated.
 968
 969 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
 970         * doc/gty.texi (Invoking the garbage collector): Added new node
 971         and section documenting ggc_collect.
 972
 973 2009-01-14  Richard Guenther  <rguenther@suse.de>
 974
 975         PR tree-optimization/38826
 976         PR middle-end/38477
 977         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
 978         initialization notes only if we actually emitted a warning.
 979         (intra_create_variable_infos): Add constraints for a result decl
 980         that is passed by hidden reference.
 981         (build_pred_graph): Mark all related variables non-direct on
 982         address-taking.
 983
 984 2009-01-14  Nick Clifton  <nickc@redhat.com>
 985
 986         * ira-conflicts.c: Include addresses.h for the definition of
 987         base_reg_class.
 988         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
 989         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
 990
 991 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
 992
 993         PR target/38811
 994         * Makefile.in (ira-lives.o): Add except.h.
 995
 996         * ira-lives.c: Include except.h.
 997         (process_bb_node_lives): Process can_throw_internal.
 998
 999 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
1000
1001         PR rtl-optimization/38774
1002         * combine.c (simplify_set): When undoing cc_use change, don't do
1003         PUT_CODE on the newly created comparison, but instead put back the
1004         old comparison.
1005
1006 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
1007
1008         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1009         values.  Remove duplicate arm8 entry.
1010
1011 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         PR tree-optimization/38786
1014         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1015         the SSA_NAME case of expand_scalar_variables_expr.
1016         Set the type of an expression to the type of its assign statement.
1017         (expand_scalar_variables_expr): Also gather the scalar computation
1018         used to index the memory access.  Do not pass loop_p.
1019         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
1020         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1021         the gimple_stmt_iterator where it inserts new code.
1022         Do not pass loop_p.
1023         (copy_bb_and_scalar_dependences): Do not pass loop_p.
1024         (translate_clast): Update call to copy_bb_and_scalar_dependences.
1025
1026 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * graphite.h (debug_value): Removed.
1029         * graphite.c (debug_value): Removed.
1030
1031 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
1032
1033         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1034         ldrd/strd with two 32-bit instructions.
1035
1036 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
1037
1038         * config/arm/arm.c (struct processors): Pass for speed down into
1039         cost helper functions.
1040         (const_ok_for_op): Handle COMPARE and inequality nodes.
1041         (arm_rtx_costs_1): Rewrite.
1042         (arm_size_rtx_costs): Update prototype.
1043         (arm_rtx_costs): Pass speed down to helper functions.
1044         (arm_slowmul_rtx_costs): Rework cost calculations.
1045         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1046         (arm_9e_rtx_costs): Likewise.
1047
1048 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1051         relocations of local symbols wider than UNITS_PER_WORD are not valid.
1052         (alpha_legitimize_address): Do not split local symbols wider than
1053         UNITS_PER_WORD into HIGH/LO_SUM parts.
1054
1055 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
1056
1057         PR bootstrap/38580
1058         * gcc.c (process_command): Replace call to execvp with calls
1059         to pex_one and exit.
1060
1061 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
1062
1063         PR target/29141
1064         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1065         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1066         variant for devices with 3-byte PC.
1067         (__tablejump_elpm__) : New.
1068
1069 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
1070
1071         PR c/32041
1072         * c-parser.c (c_parser_postfix_expression): Allow `->' in
1073         offsetof member-designator, handle it as `[0].'.
1074
1075 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1076
1077         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1078         function when not using named sections on targets with named sections
1079         if branch distance is less than 262132.
1080
1081 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
1082
1083         * combine.c (combine_instructions):  Recompute
1084         optimize_this_for_speed_p  for each BB in the main combine loop.
1085
1086 2009-01-12  Tomas Bily  <tbily@suse.cz>
1087
1088         PR middlend/38385
1089         * tree-loop-distribution.c (prop_phis): New function.
1090         (generate_builtin): Call prop_phis.
1091         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1092
1093 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
1094
1095         PR tree-optimization/38807
1096         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1097         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1098
1099 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
1100
1101         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1102         subreg of op0 to the original op0.
1103
1104 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
1105
1106         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1107
1108 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
1109
1110         PR debug/7055
1111         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1112         starting with digits.
1113
1114 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
1115
1116         PR target/38695
1117         * config/arm/arm.c (arm_is_long_call_p): Don't call
1118         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1119
1120 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
1121
1122         * regrename.c (regrename_optimize): Fix dumping.
1123         (find_oldest_value_reg): Preserve REG_POINTER.
1124         (copy_hardreg_forward_1): Likewise.
1125
1126 2009-01-09  Diego Novillo  <dnovillo@google.com>
1127
1128         * gimple.h (struct gimple_statement_base) <uid>: Document
1129         the restrictions on its use.
1130         (gimple_uid): Tidy.
1131         (gimple_set_uid): Tidy.
1132
1133 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1134
1135         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1136         zero guard even if align_bytes != 0 and count is smaller than
1137         size_needed.
1138
1139 2008-01-09  Vladimir Makarov  <vmakarov@redhat.com>
1140
1141         PR rtl-optimization/38495
1142         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1143         (add_range_and_copies_from_move_list): Print all added ranges.
1144         Add ranges to memory optimized destination.
1145
1146 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR target/38686
1149         PR target/38708
1150         * config/i386/i386.c (override_options): Reject
1151         -mstringop-strategy=rep_8byte with -m32.
1152         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1153         to 1.  Do count comparison against epilogue_size_needed at compile
1154         time even when count_exp was constant forced into register.  For
1155         size_needed don't jump to epilogue, instead just avoid aligning
1156         and invoke the body algorithm.  If need_zero_guard, add zero guard
1157         even if count is non-zero, but smaller than size_needed + number of
1158         bytes that could be stored for alignment.
1159         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1160         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
1161         but smaller than size_needed + number of bytes that could be stored
1162         for alignment.  Compare size_needed with epilogue_size_needed instead
1163         of desired_align - align, don't adjust size_needed, pass
1164         epilogue_size_needed to the epilogue expanders.
1165
1166         PR c/35742
1167         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1168
1169 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1170
1171         * pa.c (last_address): Change to unsigned.
1172         (update_total_code_bytes): Change argument to unsigned.  Don't
1173         check if insn addresses are set.
1174         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1175         addresses are not set.
1176         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1177
1178 2009-01-09  Nick Clifton  <nickc@redhat.com>
1179
1180         * config/sh/symbian.c: Replace uses of DECL_INLINE with
1181         DECL_DECLARED_INLINE_P.
1182
1183 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
1184
1185         PR middle-end/38347
1186         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1187         GET_MODE (op0) in operand_subword_force calls.
1188
1189         PR middle-end/38771
1190         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1191         fold_convert arg0 operands to TREE_TYPE (op0) first.
1192
1193 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
1194
1195         * params.def (ira-max-conflict-table-size): Decrease default value
1196         to 1000.
1197
1198 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
1199
1200         PR tree-optimization/37031
1201         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1202         on parameter_set.
1203         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1204         allocate it using gc instead of heap, use VEC_quick_push instead of
1205         VEC_safe_push.
1206         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1207         instead of heap, use VEC_quick_push instead of VEC_safe_push.
1208         * tree-data-ref.h (struct access_matrix): Change matrix to gc
1209         allocated vector from heap allocated.
1210         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1211         * tree-loop-linear.c (linear_transform_loops): Allocate nest
1212         vector only after perfect_loop_nest_depth call.
1213
1214 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1215             Jan Sjodin  <jan.sjodin@amd.com>
1216
1217         PR tree-optimization/38559
1218         * graphite.c (debug_value, copy_constraint,
1219         swap_constraint_variables, scale_constraint_variable, ): New.
1220         (get_lower_bound, get_upper_bound): Removed.
1221         (graphite_trans_bb_strip_mine): Clean up this code that works
1222         only for constant number of iterations.  Fully copy upper and
1223         lower bound constraints, not only the constant part of them.
1224         * graphite.h (debug_value): Declared.
1225
1226 2009-01-08  Ira Rosen  <irar@il.ibm.com>
1227
1228         PR tree-optimization/37194
1229         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1230         Don't add the cost of cost model guard in prologue to scalar
1231         outside cost in case of known number of iterations.
1232
1233 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1234             Alan Modra  <amodra@bigpond.net.au>
1235
1236         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1237         non-word-aligned REG+CONST addressing.
1238
1239 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         PR target/38706
1242         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1243         free_after_compilation when outputting a thunk.
1244         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1245         Do not call free_after_compilation here.
1246
1247 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
1248
1249         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1250         (ix86_valid_target_attribute_inner_p): Ditto.
1251
1252 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
1253
1254         PR tree-optimization/38492
1255         PR tree-optimization/38498
1256         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1257         * tree-chrec.h (scev_is_linear_expression): Declared.
1258         * graphite.c (graphite_cannot_represent_loop_niter): New.
1259         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1260         (graphite_loop_normal_form): Use gcc_assert.
1261         (scan_tree_for_params): Use CASE_CONVERT.
1262         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1263         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1264         Use gcc_assert.  Discard scops that contain unhandled cases.
1265         (build_scop_conditions): Return a boolean status for unhandled cases.
1266         (strip_mine_profitable_p): Print the loop number, not its depth.
1267         (is_interchange_valid): Pass the depth of the loop nest, don't
1268         recompute it wrongly.
1269         (graphite_trans_bb_block): Same.
1270         (graphite_trans_bb_block): Print tentative of loop blocking.
1271         (graphite_trans_scop_block): Do not print that the loop has been
1272         blocked.
1273         (graphite_transform_loops): Do not handle scops that contain condition
1274         scalar phi nodes.
1275
1276 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1277
1278         AVX Programming Reference (December, 2008)
1279         * config/i386/avxintrin.h (_mm256_stream_si256): New.
1280         (_mm256_stream_pd): Likewise.
1281         (_mm256_stream_ps): Likewise.
1282
1283         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1284         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1285         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1286         (bdesc_special_args): Add __builtin_ia32_movntdq256,
1287         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1288         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1289         (ix86_expand_special_args_builtin): Likewise.
1290
1291         * config/i386/sse.md (AVXMODEDI): New.
1292         (avx_movnt<mode>): Likewise.
1293         (avx_movnt<mode>): Likewise.
1294         (<sse>_movnt<mode>): Remove AVX support.
1295         (sse2_movntv2di): Likewise.
1296
1297 2009-01-07  Richard Guenther  <rguenther@suse.de>
1298
1299         PR middle-end/38751
1300         * fold-const.c (extract_muldiv): Remove obsolete comment.
1301         (fold_plusminus_mult_expr): Undo MINUS_EXPR
1302         to PLUS_EXPR canonicalization for the canonicalization.
1303
1304 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
1305
1306         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1307         hosted cross-compilers generating less efficient code.
1308
1309 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1310
1311         * function.h (rtl_data): Add a dbr_scheduled_p field.
1312         * reorg.c (dbr_schedule): Set it.
1313         (gate_handle_delay_slots): Check it.
1314         * config/mips/mips.c (mips_base_delayed_branch): Delete.
1315         (mips_reorg): Check flag_delayed_branch instead of
1316         mips_base_delayed_branch.
1317         (mips_override_options): Don't set mips_base_delayed_branch
1318         or flag_delayed_branch.
1319
1320 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
1321
1322         PR rtl-optimization/38426.
1323         * ira.c (ira): Set current_function_is_leaf earlier.
1324
1325 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
1326
1327         PR rtl-optimization/38722
1328         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
1329         too early, only set a flag and modify after last possible
1330         undo_all point.
1331
1332 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
1333
1334         PR c/34252
1335         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
1336         * real.c (decimal_single_format): Correct values of emin and emax.
1337         (decimal_double_format): Ditto.
1338         (decimal_quad_format): Ditto.
1339         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
1340         computation of DECnn_MIN and DECnn_MAX for corrected values of
1341         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
1342         __DECnn_MIN__, and adjust its computation for the corrected value
1343         of emin.
1344
1345 2009-01-06  Jan Hubicka  <jh@suse.cz>
1346
1347         PR target/38744
1348         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
1349
1350 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
1351
1352         * doc/contrib.texi (Contributors): Slightly adjust the end note.
1353         Add Robert Clark to the list of testers.
1354
1355 2009-01-06  Jan Hubicka  <jh@suse.cz>
1356             Kai Tietz  <kai.tietz@onevision.com>
1357
1358         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
1359         * config/i386/i386.c (ix86_expand_call): Add clobbers.
1360
1361 2009-01-06  Jan Hubicka  <jh@suse.cz>
1362             Kai Tietz  <kai.tietz@onevision.com>
1363
1364         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
1365         for w64 ABI.
1366         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
1367         (ix86_nsaved_regs): Count only general purpose regs.
1368         (ix86_nsaved_sseregs): New.
1369         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
1370         to 16 for w64; compute padding and size of sse reg save area.
1371         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
1372         general purpose regs.
1373         (ix86_emit_save_sse_regs_using_mov): New.
1374         (ix86_expand_prologue): Save SSE regs if needed.
1375         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
1376         (ix86_emit_restore_sse_regs_using_mov): New.
1377         (ix86_expand_epilogue): Save SSE regs if needed.
1378
1379 2009-01-06  Jan Hubicka  <jh@suse.cz>
1380             Kai Tietz  <kai.tietz@onevision.com>
1381
1382         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
1383         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
1384         functions when accumulate outgoing args is off.
1385
1386 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1387
1388         PR bootstrap/38742
1389         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
1390         before using pseudos_have_intersected_live_ranges_p.
1391
1392         * ira-int.h (ira_assert): Always define.
1393
1394 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1395
1396         AVX Programming Reference (December, 2008)
1397         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
1398         (_mm256_permute2_pd): Likewise.
1399         (_mm_permute2_ps): Likewise.
1400         (_mm256_permute2_ps): Likewise.
1401         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
1402         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
1403
1404         * config/i386/i386.c (ix86_builtins): Remove
1405         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1406         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
1407         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
1408         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
1409         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1410         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
1411         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
1412         __builtin_ia32_vpermil2ps256.
1413         (ix86_init_mmx_sse_builtins): Updated.
1414         (ix86_expand_args_builtin): Likewise.
1415
1416 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1417
1418         * pa.c (output_call): Relocate non-jump insns in the delay slot of
1419         long absolute calls when generating PA 2.0 code.
1420
1421 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
1422
1423         PR rtl-optimization/38583
1424         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
1425
1426         * params.def (ira-max-conflict-table-size): New.
1427
1428         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
1429
1430         * ira.h (ira_conflicts_p): New external definition.
1431
1432         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
1433         table.  Report this.  Return result of building.
1434         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
1435         building conflict table.
1436
1437         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
1438         (ira_color): Use ira_conflicts_p.
1439
1440         * global.c: Include ira.h.
1441         (pseudo_for_reload_consideration_p, build_insn_chain): Use
1442         ira_conflicts_p.
1443
1444         * Makefile.in (global.o): Add ira.h.
1445
1446         * ira-build.c (mark_all_loops_for_removal,
1447         propagate_some_info_from_allocno): New.
1448         (remove_unnecessary_allocnos): Call
1449         propagate_some_info_from_allocno.
1450         (remove_low_level_allocnos): New.
1451         (remove_unnecessary_regions): Add parameter.  Call
1452         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
1453         parameter to remove_unnecessary_regions.
1454         (ira_build): Remove all regions but root if the conflict table was
1455         not built.  Update conflict hard regs for allocnos crossing calls.
1456
1457         * ira.c (ira_conflicts_p): New global.
1458         (ira): Define and use ira_conflicts_p.
1459
1460         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1461         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
1462         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
1463
1464 2009-01-06  Ben Elliston  <bje@au.ibm.com>
1465
1466         * gengtype-lex.l (YY_NO_INPUT): Define.
1467
1468 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1469
1470         PR c/34911
1471         * c-common.c (handle_vector_size_attribute): Also reject
1472         BOOLEAN_TYPE types.
1473
1474 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1475
1476         PR tree-optimization/38492
1477         * graphite.c (rename_map_elt, debug_rename_elt,
1478         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
1479         rename_map_elt_info, eq_rename_map_elts,
1480         get_new_name_from_old_name, bb_in_sese_p): Moved around.
1481         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
1482         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
1483         (sese_build_livein_liveouts): New.
1484         (new_sese, free_sese): New.
1485         (new_scop): Call new_sese.
1486         (free_scop): Call free_sese.
1487         (rename_variables_from_edge, rename_phis_end_scop): Removed.
1488         (register_old_new_names): Renamed register_old_and_new_names.
1489         (register_scop_liveout_renames, add_loop_exit_phis,
1490         insert_loop_close_phis, struct igp,
1491         default_liveout_before_guard, add_guard_exit_phis,
1492         insert_guard_phis, copy_renames): New.
1493         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
1494         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
1495         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
1496         (scop_adjust_phis_for_liveouts): New.
1497         (gloog): Call scop_adjust_phis_for_liveouts.
1498
1499         * graphite.h (struct sese): Documented.  Added fields liveout,
1500         num_ver and livein.
1501         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
1502         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
1503         (struct scop): Added field liveout_renames.
1504         (SCOP_LIVEOUT_RENAMES): New.
1505
1506 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1507
1508         PR tree-optimization/38510
1509         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
1510         (translate_clast): Call recompute_all_dominators before
1511         graphite_verify.
1512         (gloog): Call recompute_all_dominators before graphite_verify.
1513
1514 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
1515             Jan Sjodin  <jan.sjodin@amd.com>
1516
1517         PR tree-optimization/38500
1518         * graphite.c (create_sese_edges): Call fix_loop_structure after
1519         splitting blocks.
1520
1521 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
1522
1523         * config.gcc: Add m32r*-*-rtems*.
1524         * config/m32r/rtems.h: New file.
1525
1526 2009-01-05  Ben Elliston  <bje@au.ibm.com>
1527
1528         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
1529         (.po.pox): Likewise.
1530         (po/gcc.pot): Likewise.
1531
1532 2009-01-04  David S. Miller  <davem@davemloft.net>
1533
1534         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
1535         (STARTING_FRAME_OFFSET): Always set to zero.
1536
1537 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
1538
1539         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
1540         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
1541         fixed-point types, and vectors of the same.
1542
1543 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
1544
1545         * config/mips/sync.md (*mb_barrier): Rename to...
1546         (*memory_barrier): ...this.
1547
1548 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
1549
1550         * doc/extend.texi (Function Attributes): Move @cindex after @item
1551         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1552         and put in alphabetical order. Fix 'target' name and put in order.
1553         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
1554         typos.
1555
1556 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
1559         (memory_barrier): Expand as unspec instead of unspec_volatile.
1560         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1561         (*memory_barrier): Define as unspec instead of unspec_volatile.
1562         Use (match_dup 0) as input operand.
1563
1564         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
1565         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
1566         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
1567         scratch register.  Remove operand 1.
1568         (*stbar): Define as unspec instead of unspec_volatile.
1569         Use (match_dup 0) as input operand, remove (const_int 8).
1570         (*membar): Define as unspec instead of unspec_volatile.
1571         Use (match_dup 0) as input operand, remove input operand 2.
1572
1573         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
1574         (memory_barrier): Expand as unspec instead of unspec_volatile.
1575         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1576         (*memory_barrier): Define as unspec instead of unspec_volatile.
1577         Use (match_dup 0) as input operand.
1578
1579         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
1580         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1581         Set volatile flag on operand 0.
1582         (*memory_barrier): New insn pattern.
1583
1584         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
1585         insn operands.
1586         (*memory_barrier): Use (match_dup 0) as input operand.
1587
1588         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
1589         Remove mem:BLK from insn operands.  Use Pmode scratch register.
1590         Set volatile flag on operand 0.
1591         (*mb_internal): New insn pattern.
1592
1593         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
1594
1595 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
1596
1597         PR middle-end/38586
1598         * function.c (struct temp_slot): Move to the section of the file
1599         that deals with temp slots.  Remove field 'address'.
1600         (temp_slot_address_table): New hash table of address -> temp slot.
1601         (struct temp_slot_address_entry): New struct, items for the table.
1602         (temp_slot_address_compute_hash, temp_slot_address_hash,
1603         temp_slot_address_eq, insert_temp_slot_address): Support functions
1604         for the new table.
1605         (find_temp_slot_from_address): Rewrite to use the new hash table.
1606         (remove_unused_temp_slot_addresses): Remove addresses of temp
1607         slots that have been made available.
1608         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
1609         worker function for remove_unused_temp_slot_addresses.
1610         (assign_stack_temp_for_type): Don't clear the temp slot address list.
1611         Add the temp slot address to the address -> temp slot map.
1612         (update_temp_slot_address): Update via insert_temp_slot_address.
1613         (free_temp_slots): Call remove_unused_temp_slot_addresses.
1614         (pop_temp_slots): Likewise.
1615         (init_temp_slots): Allocate the address -> temp slot map, or empty
1616         the map if it is already allocated.
1617         (prepare_function_start): Initialize temp slot processing.
1618
1619 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
1620
1621         PR middle-end/38584
1622         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
1623         Calculate the size of all stack vars assuming no packing of stack
1624         vars will happen, replacing a quadratic algorithm with a linear one.
1625
1626 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR target/38707
1629         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
1630         can't be used.
1631
1632 2009-01-03  Diego Novillo  <dnovillo@google.com>
1633
1634         * doc/contrib.texi: Update contributions.
1635
1636 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
1637
1638         PR c++/38705
1639         * builtins.c (fold_builtin_memory_op): Give up if either operand
1640         is volatile.  Set srctype or desttype to non-qualified version
1641         of the other type.
1642
1643         PR c/38700
1644         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1645         and FUNCTION_DECLs.
1646
1647 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
1648
1649         PR rtl-optimization/35805
1650         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1651         problem if fast dce is able to remove any instructions.
1652         * dce.c (dce_process_block): Fix dump message.
1653
1654 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
1655
1656         PR 33649
1657         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1658
1659 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
1660
1661         PR middle-end/38690
1662         * tree-flow.h (op_code_prio, op_prio): New prototypes.
1663         * tree-pretty-print.c (op_code_prio): New function.
1664         (op_prio): No longer static.  Use op_code_prio.
1665         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1666         Use op_prio and op_code_prio to determine if () should be
1667         printed around operand(s) or not.
1668
1669         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1670         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1671         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1672         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1673         pp_character instead of pp_string for single letter printing.
1674
1675 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1676
1677         * doc/extend.texi: Fix '#pragma GCC option' typo.
1678
1679 2009-01-02  Richard Guenther  <rguenther@suse.de>
1680
1681         * doc/install.texi (--enable-checking): Mention different
1682         default for stage1.
1683         (--enable-stage1-checking): Document.
1684
1685 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
1686
1687         PR middle-end/30142
1688         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
1689         case to be an error.
1690
1691 2009-01-02  Ben Elliston  <bje@au.ibm.com>
1692
1693         * config/fp-bit.h (pack_d): Constify argument.
1694         * config/fp-bit.c (makenan): Constify return type. Remove casts.
1695         (isnan): Constify argument.
1696         (isinf): Likewise.
1697         (iszero): Likewise.
1698         (pack_d): Likewise.
1699         (_fpadd_parts): Constify return type.
1700         (_fpmul_parts): Likewise.
1701         (_fpdiv_parts): Likewise.
1702
1703 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
1704
1705         PR c/36489
1706         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
1707         warn about overwriting initializer with side-effects or
1708         -Woverride-init if !IMPLICIT.
1709         (output_init_element): Likewise.  Pass IMPLICIT down to
1710         add_pending_init.
1711         (process_init_element): Add IMPLICIT argument.  Pass it down
1712         to output_init_element.
1713         (push_init_element, pop_init_level, set_designator): Adjust
1714         process_init_element callers.
1715         (set_nonincremental_init, set_nonincremental_init_from_string):
1716         Adjust add_pending_init callers.
1717         (output_pending_init_elements): Adjust output_init_element callers.
1718         * c-tree.h (process_init_element): Adjust prototype.
1719         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1720         process_init_element callers.